private void addBillingEventsForBundles(
      final List<SubscriptionBaseBundle> bundles,
      final Account account,
      final InternalCallContext context,
      final DefaultBillingEventSet result) {
    for (final SubscriptionBaseBundle bundle : bundles) {
      final List<SubscriptionBase> subscriptions =
          subscriptionApi.getSubscriptionsForBundle(bundle.getId(), context);

      // Check if billing is off for the bundle
      final List<Tag> bundleTags = tagApi.getTags(bundle.getId(), ObjectType.BUNDLE, context);
      boolean found_AUTO_INVOICING_OFF = is_AUTO_INVOICING_OFF(bundleTags);
      if (found_AUTO_INVOICING_OFF) {
        for (final SubscriptionBase subscription :
            subscriptions) { // billing is off so list sub ids in set to be excluded
          result.getSubscriptionIdsWithAutoInvoiceOff().add(subscription.getId());
        }
      } else { // billing is not off
        addBillingEventsForSubscription(subscriptions, bundle, account, context, result);
      }
    }
  }